﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp2
{
    class Class1
    {

        public double Mia(double r)
        {
            double s = 3.14 * r;
            return s;
        }
        public double Mia(double a,double b)
        {
            double s = a * b;
            return s;
        }
    }
}
